לָ֤מָּה לָנֶ֙צַח֙ תִּשְׁכָּחֵ֔נוּ תַּֽעַזְבֵ֖נוּ לְאֹ֥רֶךְ יָמִֽים׃
Wherefore dost Thou forget us for ever, And forsake us so long time?
Rashi on Lamentations
Why [then O Eternal] do You forget us. Have You not sworn to us Yourself that just as You exist, so does Your oath exist?